# NTSB SEA70D0035: Grumman G-164, N747Y, Walla Walla, WA, July 18, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 18, 1969
- Place: Walla Walla, WA · WALLA WALLA, WA
- Location: 46.0670° N, 118.3370° W: Placed by OpenAirDocs: center of Walla Walla, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.0670&lon=-118.3370&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 12, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 169476
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70D0035
- Page: https://openairdocs.org/ntsb/SEA70D0035

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2285  69/7/18    WALLA WALLA,WASH    GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 1100
        TIME - 0615                    N747Y               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 550 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FLEW INTO BLIND CANYON
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -MOUNTAINOUS                                ELEVATION-AREA BEING TREATED-FEET -  3000
          SWATH RUN-HOW FLOWN - CROSSWIND                          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- SPRAYING SOIL BANK.
```

## Aircraft

- Registration: [N747Y](https://openairdocs.org/deregistered/N747Y-1974-05-08), registration cancelled 1974-05-08, S/N 324 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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